//package com.zeldu.question.util;
//
//import com.alibaba.fastjson.JSON;
//import com.zeldu.common.exception.CustomException;
//import com.zeldu.common.model.response.CommonCode;
//import com.zeldu.uaa.entity.Student;
//import com.zeldu.uaa.entity.Teacher;
//import org.springframework.security.core.Authentication;
//import org.springframework.security.core.context.SecurityContextHolder;
//import org.springframework.security.oauth2.provider.OAuth2Authentication;
//
//public  class JWTInfo {
//    public static Student getStudentJwt(){
//        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//        if(!(authentication instanceof OAuth2Authentication)){
//            return null;
//        }
//        OAuth2Authentication oAuth2Authentication = (OAuth2Authentication) authentication;
//        Authentication userAuthentication = oAuth2Authentication.getUserAuthentication();
//        //取出用户身份信息
//        String principal = userAuthentication.getName();
//        Student student=null;
//        try {
//            student = JSON.parseObject(principal, Student.class);
//        }catch (Exception e){
//            throw new CustomException(CommonCode.Wrong_User);
//        }
//
//        return student;
//    }
//
//    public static Teacher getTeacherJwt(){
//        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//        if(!(authentication instanceof OAuth2Authentication)){
//            return null;
//        }
//        OAuth2Authentication oAuth2Authentication = (OAuth2Authentication) authentication;
//        Authentication userAuthentication = oAuth2Authentication.getUserAuthentication();
//        //取出用户身份信息
//        String principal = userAuthentication.getName();
//        Teacher teacher=null;
//        try {
//            teacher = JSON.parseObject(principal, Teacher.class);
//        }catch (Exception e){
//            throw new CustomException(CommonCode.Wrong_User);
//        }
//
//        return teacher;
//    }
//
//
//
//
// }
